Bending mold and bulk mold are similar sometimes and this can cause you misunderstand them. So, let me share you features and differences between bending mold and bulk mold.
Bending mold: It is manual bending and the radian can be full bent, vertical bent, and horizantal bent. Bending mold has radian. Its radiation and bending is done in the procession after the product is shaped with Logo. But it is hard to add color and polish for bent products. So, the mold fee and the price are higher than average product.
Bulk molding: It is also called punch-matrix becuase the design for front and back is reverse. So, if the front is bulgy, then the back is excavated. And if the front is three-dimensional, then the back is also three-dimensional. So, a three-dimensional mold that has a strong sense of concavo-convex sometime looks like bent before. But the difference also exists. The radian of the bulk molding usually exists in some parts, not in the whole product.
So, the main principle is that bending mold exphasizes radian and the bulk molding emphasizes concavo-convex.
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